Slide-Triggered Storage Element Breakdown for Secure Data Destruction
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Solution Overview
Problem
Existing SSDs lack reliable and fast physical data destruction methods, leading to incomplete data deletion and insufficient triggering reliability, which compromises user information security and privacy.
Innovation Solution
A storage device with a self-destruction function triggered by a slide button, utilizing a control element and boost transformation circuit to physically break down the storage element via a voltage breakdown mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If data encryption and formatting methods are used, then data protection is provided, but data destruction reliability is insufficient and restoration by high-level recovery tools cannot be completely prevented
Solution Approach 1:
The patent replaces logical data destruction methods (encryption, formatting) with a physical destruction mechanism. A high-voltage pulse is applied through the control element to the storage element, causing physical breakdown of the storage medium's physical structure, thereby eliminating the possibility of data restoration by any software tool.
Solution Approach 2:
The patent utilizes electrical phase transition and breakdown phenomena. By applying a voltage signal that exceeds the breakdown voltage of the storage element, the system induces a physical phase change in the storage medium, leading to permanent structural damage and complete data destruction.
2Reliability
If physical destruction method is implemented, then data destruction reliability is improved, but device complexity increases due to additional control elements and voltage conversion units
Solution Approach 1:
The control element serves multiple functions: it normally controls data reading/writing operations and additionally functions as a high-voltage pulse generator for physical destruction. The voltage conversion unit is integrated into the existing control circuitry, allowing the same hardware component to perform both logical control and physical destruction without requiring entirely separate dedicated destruction hardware.
Solution Approach 2:
The system changes the electrical parameters of the control element dynamically. During normal operation, the control element operates at standard reading/writing voltages. When destruction is required, the control element switches to generating high-voltage pulses by changing its operational state and the voltage signal parameters, thereby achieving physical breakdown without requiring a completely different hardware component.
3Reliability
If physical destruction is triggered manually, then data destruction reliability is improved, but operation convenience deteriorates due to additional trigger mechanisms
Solution Approach 1:
The system enables self-service destruction through a simple user action (sliding the button) that automatically triggers the entire destruction sequence. The mechanical action of sliding the button directly activates the voltage conversion unit and high-voltage pulse generation without requiring complex manual intervention or multiple steps, making the process as convenient as possible while maintaining reliability.
Solution Approach 2:
The slide button acts as an intermediary between the user and the complex destruction mechanism. This simple mechanical button translates a user's physical action into an electrical signal that activates the voltage conversion unit, thereby simplifying the user interface while maintaining the reliability of the physical destruction process.
4Productivity
If fast execution is prioritized, then data destruction speed is improved, but triggering reliability may deteriorate due to insufficient verification mechanisms
Solution Approach 1:
The system performs preliminary verification through the slide button mechanism before executing the high-voltage pulse. The sliding action ensures that the user intentionally initiates the destruction process, providing a preliminary confirmation step that prevents accidental triggering while maintaining fast execution. The voltage conversion unit is activated directly by this verified action, eliminating delays.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Ensures quick and complete deletion of data by physically destroying the storage element, addressing issues of incomplete data deletion and unreliable triggering in conventional SSDs.
Implementation Method 1
the control element generates a voltage signal to the storage element to break down the storage element
Data Source
AI summary
The present application provides a storage device with self-destruction function, which comprises an upper housing, a slide button module, a storage module and a lower housing, an opening is disposed on the upper housing, the slide button module comprises a partition member disposed under the upper housing, the partition member includes a flexible part, a slide button is disposed above the partition member, and the slide button protrudes and is disposed in the opening, the storage module comprises a circuit board, a storage element, a control element and a switch, the lower housing is disposed under the storage module, the upper housing and the lower housing cover the storage module, the slide button slides toward the flexible part to press down the flexible part and force the flexible part press the switch, thereby, the control element breaks down the storage element by a boost transform circuit.